Home / 12,535,677.84-17,255,169.10-10,983,279.62

Finding the Fourth Proportional to 12,535,677.84, 17,255,169.10 and 10,983,279.62

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Solution

The fourth proportional to 12,535,677.84, 17,255,169.10 and 10,983,279.62 is: 15,118,316.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535,677.84 : 17,255,169.10 = 10,983,279.62 : x
  2. Step 2: Convert to fraction form
    12,535,677.84/17,255,169.10 = 10,983,279.62/x
  3. Step 3: Cross multiply
    12,535,677.84x = 17,255,169.10 × 10,983,279.62
  4. Step 4: Simplify right side
    12,535,677.84x = 189,518,347,115,683.75
  5. Step 5: Solve for x
    x = 189,518,347,115,683.75/12,535,677.84
  6. Step 6: Final answer
    x = 15,118,316.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.